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"retinopathy of prematurity"

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https://www.readbyqxmd.com/read/28730075/ccr7-p-erk1-2-vegf-signaling-promotes-retinal-neovascularization-in-a-mouse-model-of-oxygen-induced-retinopathy
#1
Lin-Hui Yuan, Xiao-Long Chen, Yu Di, Mei-Lin Liu
AIM: To investigate the role of CCR7/p-ERK1/2/VEGF signaling in the mouse model of oxygen-induced retinopathy (OIR). METHODS: Neonatal C57BL/6J mice were evenly randomized into four groups: normoxia, OIR, OIR control (treated with scramble siRNA), and OIR treated (treated with CCR7 siRNA). Normoxia group was not specially handled. Postnatal day 7 (P7) mice in the OIR group were exposed to 75%±5% oxygen for 5d (P7-P12) and then maintained under normoxic conditions for 5d (P12-P17)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728176/the-epidemiology-of-retinopathy-of-prematurity-in-the-united-states
#2
Cassie A Ludwig, Tiffany A Chen, Tina Hernandez-Boussard, Andrew A Moshfeghi, Darius M Moshfeghi
BACKGROUND AND OBJECTIVE: Retinopathy of prematurity (ROP) is a leading cause of blindness in premature and low birth weight infants. Here, the authors examine the incidence of ROP in the United States and evaluate risk factors associated with ROP development. PATIENTS AND METHODS: The National Healthcare Cost and Utilization Project Kids' Inpatient Database was queried for all newborns with and without ROP. Adjusted odds ratios were constructed for predictors of ROP using multivariate logistic regression modeling...
July 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28727900/head-midline-position-for-preventing-the-occurrence-or-extension-of-germinal-matrix-intraventricular-hemorrhage-in-preterm-infants
#3
REVIEW
Olga Romantsik, Maria Grazia Calevo, Matteo Bruschettini
BACKGROUND: Preterm birth is known to constitute the major risk factor for development of germinal matrix-intraventricular hemorrhage (GM-IVH). Head position may affect cerebral hemodynamics and thus may be involved indirectly in development of GM-IVH. Turning the head toward one side may functionally occlude jugular venous drainage on the ipsilateral side while increasing intracranial pressure and cerebral blood volume. Thus, it has been suggested that cerebral venous pressure is reduced and hydrostatic brain drainage improved if the patient is in supine midline position with the bed tilted 30°...
July 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28724325/use-and-timing-of-surfactant-administration-impact-on-neonatal-outcomes-in-extremely-low-gestational-age-infants-born-in-canadian-neonatal-intensive-care-units
#4
Amelie Stritzke, Khorshid Mohammad, Prakesh S Shah, Xiang Y Ye, Vineet Bhandari, Albert Akierman, Adele Harrison, Valerie Bertelle, Abhay Lodha
BACKGROUND: Use, timing and doses of surfactant in preterm infants are variable in practice in modern NICUs. OBJECTIVE: To explore the association between use and timing of surfactant administration and common neonatal adverse outcomes in preterm infants with gestational age (GA) < 28 weeks. MATERIAL AND METHODS: Neonates admitted to a participating Canadian Neonatal Network NICU between 2013 and 2015 were studied. Infants were divided into three groups based on surfactant administration: None, early (within 30 minutes of life), and late surfactant (> 30 minutes)...
July 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28722174/astrocytes-follow-ganglion-cell-axons-to-establish-an-angiogenic-template-during-retinal-development
#5
Matthew L O'Sullivan, Vanessa M Puñal, Patrick C Kerstein, Joseph A Brzezinski, Tom Glaser, Kevin M Wright, Jeremy N Kay
Immature astrocytes and blood vessels enter the developing mammalian retina at the optic nerve head and migrate peripherally to colonize the entire retinal nerve fiber layer (RNFL). Retinal vascularization is arrested in retinopathy of prematurity (ROP), a major cause of bilateral blindness in children. Despite their importance in normal development and ROP, the factors that control vascularization of the retina remain poorly understood. Because astrocytes form a reticular network that appears to provide a substrate for migrating endothelial cells, they have long been proposed to guide angiogenesis...
July 19, 2017: Glia
https://www.readbyqxmd.com/read/28720053/paracetamol-versus-ibuprofen-for-the-treatment-of-patent-ductus-arteriosus-in-preterm-neonates-a-meta-analysis-of-randomized-controlled-trials
#6
Xintao Huang, Fang Wang, Kai Wang
BACKGROUND: Paracetamol has been suggested as an effective treatment for patent ductus arteriosus (PDA). However, the comparative efficacy and safety between paracetamol and ibuprofen were not determined. METHODS: A meta-analysis of randomized controlled trials (RCTs) was performed. Relevant studies were identified via database searching. A fixed or random effect model was applied depending on the extent of heterogeneity. RESULTS: Five RCTs with 677 neonates were included...
July 18, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28715553/validation-of-the-children-s-hospital-of-philadelphia-retinopathy-of-prematurity-chop-rop-model
#7
Gil Binenbaum, Gui-Shuang Ying, Lauren A Tomlinson
Importance: The Children's Hospital of Philadelphia Retinopathy of Prematurity (CHOP ROP) model uses birth weight (BW), gestational age at birth (GA), and weight gain rate to predict the risk of severe retinopathy of prematurity (ROP). In a model development study, it predicted all infants requiring treatment, while greatly reducing the number of examinations compared with current screening guidelines. Objective: To validate the CHOP ROP model in a multicenter cohort that is large enough to obtain a precise estimate of the model's sensitivity for treatment-requiring ROP...
July 13, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28712532/influence-of-different-intravenous-lipid-emulsions-on-growth-development-and-laboratory-and-clinical-outcomes-in-hospitalised-paediatric-patients-a-systematic-review
#8
REVIEW
Roy-Rosshan Edward, Jacqueline K Innes, Luise V Marino, Philip C Calder
BACKGROUND & AIMS: Fats in the form of lipid emulsions (LEs) are an integral part of intravenous nutrition. The fatty acid composition of different LEs varies. The exact composition of a LE may influence cell and tissue function and clinical outcome. Currently, it is not clear which LE might be best for paediatric patients. We conducted a systematic review of the effects of different intravenous LEs in hospitalised paediatric patients. METHODS: Randomised controlled trials published in a peer reviewed journal, written in the English language, and comparing two or more different intravenous LEs in hospitalised paediatric patients were included...
July 8, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28709412/study-protocol-safety-and-efficacy-of-propranolol-0-2-eye-drops-in-newborns-with-a-precocious-stage-of-retinopathy-of-prematurity-drop-rop-0-2-a-multicenter-open-label-single-arm-phase-ii-trial
#9
Luca Filippi, Giacomo Cavallaro, Elettra Berti, Letizia Padrini, Gabriella Araimo, Giulia Regiroli, Valentina Bozzetti, Chiara De Angelis, Paolo Tagliabue, Barbara Tomasini, Giuseppe Buonocore, Massimo Agosti, Angela Bossi, Gaetano Chirico, Salvatore Aversa, Roberta Pasqualetti, Pina Fortunato, Silvia Osnaghi, Barbara Cavallotti, Maurizio Vanni, Giulia Borsari, Simone Donati, Giuseppe Nascimbeni, Giancarlo la Marca, Giulia Forni, Silvano Milani, Ivan Cortinovis, Paola Bagnoli, Massimo Dal Monte, Anna Maria Calvani, Alessandra Pugi, Eduardo Villamor, Gianpaolo Donzelli, Fabio Mosca
BACKGROUND: Retinopathy of prematurity (ROP) still represents one of the leading causes of visual impairment in childhood. Systemic propranolol has proven to be effective in reducing ROP progression in preterm newborns, although safety was not sufficiently guaranteed. On the contrary, topical treatment with propranolol eye micro-drops at a concentration of 0.1% had an optimal safety profile in preterm newborns with ROP, but was not sufficiently effective in reducing the disease progression if administered at an advanced stage (during stage 2)...
July 14, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28699927/short-term-outcomes-after-intravitreal-injections-of-conbercept-versus-ranibizumab-for-the-treatment-of-retinopathy-of-prematurity
#10
Enzhong Jin, Hong Yin, Xiaoxin Li, Mingwei Zhao
PURPOSE: Intravitreal injection of conbercept (IVC) is the latest applied treatment that could be used in retinopathy of prematurity (ROP) patients. The structural outcomes and recurrence of ROP among patients treated with IVC or intravitreal injection of ranibizumab (IVR) were compared. METHODS: A consecutive case series of ROP treated with IVC or IVR were retrospectively studied. The primary outcome was treatment success defined as regression of plus disease. The secondary outcomes were recurrence of plus, times of injection, and the final regression of disease...
July 7, 2017: Retina
https://www.readbyqxmd.com/read/28695165/neonatal-retinoblastoma
#11
REVIEW
Tero T Kivelä, Theodora Hadjistilianou
From 7% to 10% of all retinoblastomas and from 44% to 71% of familial retinoblastomas in developed countries are diagnosed in the neonatal period, usually through pre- or post-natal screening prompted by a positive family history and sometimes serendipitously during screening for retinopathy of prematurity or other reasons. In developing countries, neonatal diagnosis of retinoblastoma has been less common. Neonatal retinoblastoma generally develops from a germline mutation of RB1, the retinoblastoma gene, even when the family history is negative and is thus usually hereditary...
July 2017: Asia-Pacific Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28684649/neonatal-outcomes-of-preterm-or-very-low-birth-weight-infants-over-a-decade-from-queen-mary-hospital-hong-kong-comparison-with-the-vermont-oxford-network
#12
Y Y Chee, M Sc Wong, R Ms Wong, K Y Wong
INTRODUCTION: There is a paucity of local data on neonatal outcomes of preterm/very-low-birth-weight infants in Hong Kong. This study aimed to evaluate the survival rate on discharge and morbidity of preterm/very-low-birth-weight infants (≤29+6 weeks and/or birth weight <1500 g) over a decade at Queen Mary Hospital in Hong Kong, so as to provide centre-specific data for prenatal counselling and to benchmark these results against the Vermont Oxford Network. METHODS: Standardised perinatal/neonatal data were collected for 449 infants with gestational age of 23+0 to 29+6 weeks and/or birth weight of <1500 g who were born at Queen Mary Hospital between 1 January 2005 and 31 December 2014...
July 7, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28682316/neonatal-outcomes-based-on-mode-and-intensity-of-delivery-room-resuscitation
#13
A Bashir, B Bird, L Wu, S Welles, H Taylor, E Anday, V Bhandari
OBJECTIVE: To examine outcomes of neonates based on the mode and intensity of resuscitation received in the delivery room (DR). STUDY DESIGN: A retrospective study of 439 infants with birth weight ⩽1500 g receiving DR resuscitation at two hospital centers in Philadelphia, Pennsylvania. RESULTS: Of 439 infants, 22 (5%) received routine care, 188 (43%) received noninvasive positive pressure ventilation (PPV) and 229 (52%) received endotracheal tube (ETT) intubation in the DR...
July 6, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28674824/an-update-on-retinopathy-of-prematurity-rop
#14
Mangat Ram Dogra, Deeksha Katoch, Mohit Dogra
Retinopathy of prematurity (ROP) is a proliferative retinal vascular disease affecting the retina of premature infants. The clinical spectrum of ROP varies from spontaneous regression to bilateral retinal detachment and total blindness. Between these two extremes lies the form of ROP, which is amenable to treatment with laser photocoagulation, anti-vascular endothelial growth factor drugs or surgery. Increasing rates of preterm births coupled with better survival rates but lack of uniform quality of neonatal care and delays in diagnosis have led to increasing ROP blindness...
July 4, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28669100/long-term-evaluation-of-refractive-changes-in-eyes-of-preterm-children-a-6-year-follow-up-study
#15
Mahmut Kaya, Ayse Tulin Berk, Aylin Yaman
PURPOSE: To investigate the longitudinal changes in refractive errors in preterm children with and without retinopathy of prematurity (ROP) in the first 6 years of life. METHODS: We included 226 preterm children with a gestational age of ≤34 weeks: 222 eyes with no ROP, 73 eyes with mild ROP and 145 eyes with severe ROP. Longitudinal cycloplegic refraction data were collected initially and yearly thereafter until 6 years of age. RESULTS: Eyes in the severe ROP group showed an increase in myopia values between the 1- and 3-year examinations (p = 0...
July 1, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28665441/giant-retinal-tear-with-retinal-detachment-in-regressed-aggressive-posterior-retinopathy-of-prematurity-treated-by-laser
#16
Parijat Chandra, Ruchir Tewari, Nitesh Salunkhe, Devesh Kumawat, Vinod Kumar
Rhegmatogenous retinal detachment after successfully regressed retinopathy of prematurity is a rare occurrence. Late onset rhegmatogenous retinal detachment has been reported infrequently. The authors report a case of aggressive posterior retinopathy of prematurity that underwent uneventful regression after laser photocoagulation and later developed an inoperable closed funnel retinal detachment due to a giant retinal tear. This case represents the earliest development of such complications in regressed aggressive posterior retinopathy of prematurity treated by laser...
June 29, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28662947/rehospitalization-through-childhood-and-adolescence-association-with-neonatal-morbidities-in-infants-of-very-low-birth-weight
#17
Jacob Kuint, Liat Lerner-Geva, Gabriel Chodick, Valentina Boyko, Varda Shalev, Brian Reichman
OBJECTIVE: To evaluate the impact of major neonatal morbidities on the risks for rehospitalization in children and adolescents born of very low birth weight. STUDY DESIGN: An observational study was performed on data of the Israel Neonatal Network linked together with the Maccabi Healthcare Services medical records. After discharge from the neonatal intensive care unit, 6385 infants of very low birth weight born from 1995 to 2012 were registered with Maccabi Healthcare Services and formed the study cohort...
June 26, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28662245/reduction-of-rod-and-cone-function-in-6-5-year-old-children-born-extremely-preterm
#18
Anna E C Molnar, Sten O Andréasson, Eva K B Larsson, Hanna M Åkerblom, Gerd E Holmström
Importance: The function of rods and cones in children born extremely preterm has not yet been fully investigated. Objective: To compare retinal function via full-field electroretinographic (ffERG) recordings in 6.5-year-old children born extremely preterm with children born at term. Design, Setting, and Participants: A subcohort study was conducted from July 1, 2010, to January 15, 2014, of the national Extremely Preterm Infants in Sweden Study, including preterm children (<27 weeks' gestational age) and children born at term, at 6...
June 29, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28661514/delivery-room-resuscitation-and-adverse-outcomes-among-very-low-birth-weight-preterm-infants
#19
S Arnon, T Dolfin, B Reichman, R H Regev, L Lerner-Geva, V Boyko, I Litmanovitz
OBJECTIVE: To evaluate risk factors and impact of delivery room cardiopulmonary resuscitation (DR-CPR) on very low birth weight (VLBW) preterm infants. STUDY DESIGN: A national, population-based, observational study evaluating risk factors and short-term neonatal outcomes associated with DR-CPR among VLBW, extremely preterm infants (EPIs, 24 to 27 weeks' gestation) and very preterm infants (VPI, 28 to 31 weeks' gestation) born in 1995 to 2010. RESULTS: Among 17 564 VLBW infants, 636 (3...
June 29, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28655731/ultra-low-dose-intravitreal-bevacizumab-for-the-treatment-of-retinopathy-of-prematurity-a-case-series
#20
Roxane J Hillier, Alan J Connor, Ayad E Shafiq
BACKGROUND: Intravitreal bevacizumab (IVB) has emerged as an effective treatment modality for the management of retinopathy of prematurity (ROP) where the disease is severe and posterior. Despite evidence of systemic vascular endothelial growth factor suppression and concerns about how this might affect the developing neonate, the optimal dose is unknown to date. We report our experience of using ultra-low-dose (0.16 mg) IVB, one-quarter of the 'standard' dose that has widely been reported in the treatment of ROP...
June 27, 2017: British Journal of Ophthalmology
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